Correction to: Nature Energy https://doi.org/10.1038/s41560-018-0095-2, published online 6 March 2018.

In the version of this Review originally published, in Table 3 seven entries in the columns ‘Developer’ and ‘Country of origin’ were incorrect and should have read as shown below; these errors have now been corrected. All other entries in the Table are unaffected.

Table 3 Original and corrected sections